The Buick Reliability Rating is 4.0 out of 5.0, which ranks it 12th out of 32 for all car brands. This rating is based on an average across 345 unique models. The average annual repair cost for a Buick is $541, which means it has above average ownership costs. The other factors that contribute to Buick reliability include an average of 0.4 visits to a repair shop per year and a 12% probability of a repair being severe.